How to create a Variable to exclude selections on many columns

[#1]

Hi,

I have charts which should not change based on the selection in the straight tables. I have like a ten column names affect the chart. I have been using them as sum({<A=,B=,C=,D=>}Value) in the set analysis expressions. As i have a lot expression to include like this, i want to is there a way to create a single variable to hold all these values and i only have to use that single variable in my chart expressions to avoid the selections made in the tables.

Any help would be appreciated.

thanks in advance